The following list contains clients and agencies involved in past projects performed by ACS. Clients include local, state, and federal government agencies, as well as those of the private sector:

Federal Agencies

Army Corps of Engineers, New England Division, Concord, MA
Connecticut Army National Guard, Hartford, CT
Department of Housing and Urban Development, Washington, D.C.
Federal Aviation Administration, Washington, D.C.
Federal Highway Administration, Washington, D.C.
United States Coast Guard, New London, CT
United States Postal Service, Facilities Services Branch, Windsor, CT

Regional Agencies

Albany County Department of General Services, Albany, NY
Northeastern Connecticut Council of Governments, Dayville, CT

State Agencies

Connecticut Department of Economic and Community Development, Rocky Hill, CT
Connecticut Department of Environmental Protection, Hartford, CT
Connecticut Department of Public Works, Hartford, CT
Connecticut Department of Transportation, Newington, CT
Connecticut Historical Commission, Hartford, CT

Municipal Agencies

Ansonia, CT (Town Building Committee)
Avon, CT (Town Planning and Zoning)
Derby, CT (Office of City Clerk)
East Hartford, CT (Town Building Committee)
Glastonbury, CT (Town Building Committee)
Gill, MA (Select Board)
Groton, CT (Town Planning and Zoning)
Kensington Fire District, Berlin, CT (Office of Engineering)
Killingly, CT (Office of Town Engineer)
Ledyard, CT (Town Planning and Zoning)
Lisbon, CT (Selectman's Office)
Monroe, CT (Selectman's Office)
New London, CT (New London Development Group)
New Milford, CT (Town Building Committee)
New York City, NY (Department of Parks & Recreation)
North Smithfield, RI (Conservation Commission)
Oxford, CT (Town Planning and Zoning)
Portland, CT (Town Building Committee)
Ridgefield, CT (Town Building Committee)
Simsbury, CT (Water Pollution Control)
South Windsor, CT (Town Planning and Zoning)
Stamford, CT (Engineering Bureau)
Tuxedo, NY (Town Supervisor's Office)
Wallingford, CT (Office of Town Engineer)
Westport, CT (Town Building Committee)

Private Utilities and Transportation

Bell Atlantic Mobile, Wallingford, CT
Bridgeport Hydraulic Company, Westport, CT
Cross Sound Ferry Services, New London, CT
Crown Atlantic Corporation, Woburn, MA
Long Island Railroad, Jamaica, NY
Metro-North Railroad, New York, NY
Norwich Public Utilities, Norwich, CT
Tamarack Energy, Inc., Essex, CT
Tower Ventures, LLC, Providence, RI
United Water Connecticut, Inc., New Milford, CT
Verizon Wireless, Wallingford, CT

Native American Tribal Organizations

Creek Indian Memorial Association, Okmulgee, OK
Mohegan Tribe, Uncasville, CT
Narragansett Tribal Historic Preservation Office, Wyoming, RI

Museums, Libraries, Colleges, and Societies

Connecticut College, New London, CT
Friends of Wood Memorial Library, South Windsor, CT
Henry Whitfield Museum, Guilford, CT
Kent Historical Society, Kent, CT
Mayflower Society, New Haven, CT

Architects and Engineers

AM Engineering, Inc., Stratford, CT
Angus McDonald / Gary Sharpe Associates, Inc., Old Saybrook, CT
BL Companies, Meriden, CT
Boundaries, LLC, Griswold, CT
C&C Consulting, LLC, Boston, MA
CCA, LLC, Brookfield, CT
CLA Engineers, Inc., Norwich, CT
Clough, Harbor & Associates, Inc., Albany, NY
Codespoti & Associates, Inc., Stratford, CT
Datum Engineering & Surveying, LLC, Mansfield, CT
Doane-Collins Engineering Associates, LLC, Centerbrook, CT
Fitzgerald & Halliday, Inc., Hartford, CT
Fletcher-Thompson, Inc., Bridgeport, CT
Fuss & O’Neill, Inc., Manchester, CT
Garg Consulting Services, Inc., Rocky Hill, CT
Godfrey-Hoffman & Associates, LLC, Hamden, CT
HNTB Corporation, Rocky Hill, CT
Jeter, Cook & Jepson Architects, Inc., Hartford, CT
Landscape Elements LLC, Stonington, CT
L. Wagner & Associates, Inc., Waterbury, CT
LRC Group, Cromwell, CT
Milone & MacBroom, Inc., Cheshire, CT
Moser Pilon Nelson Architects, Wethersfield, CT
Nafis & Young, Northford, CT
Parsons-Brinckerhoff and Surveyors, Glastonbury, CT
PC Survey Associates, LLC, Danielson, CT
Pizzo Architects, Inc., New Haven, CT
Provost & Rovero, Inc., Plainfield, CT
Richter, Cegan & Webb, Inc., Avon, CT
Rizzo Associates, Inc., Hartford, CT
Russell Waldo, P.E., Guilford, CT
Sasaki Associates, Inc., Watertown, MA
Tavella Design Group, Hamden, CT
Thomas A. Stevens & Associates, Inc., Madison, CT
Tighe & Bond, Westfield, MA
Urbitran Group, Inc., New York, NY
URS Corp, Rocky Hill, CT
Vanasse Hangen Brustlin, Inc., Middletown, CT
Washington Group International, Newington, CT

Environmental Services

Earth Tech, Inc., Glastonbury, CT
Environmental Consulting Associates, Newton, NJ
Environmental Planning and Soil Science, LLC, Ivoryton, CT
Langan Engineering & Environmental Services, Inc., New Haven, CT
Recon Engineers, Guilford, CT
Rema Ecological, Inc., Manchester, CT
TMC Services, Bellingham, MA

Professional Services

Axis Point Group Holdings LLC, Westport, CT
Barr Associates (Real Estate Consultants), Westport, CT
Beara Capital, Warwick, RI
Carmody & Torrance, LLP (Attorneys at Law), Waterbury, CT
Gaffney, Bennett & Associates (Attorneys at Law), New Britain, CT
GRP Realty, Inc., Stamford, CT
Murtha Cullina, LLP (Attorneys at Law), Hartford, CT
Real Estate Advisors Limited, Middlebury, CT
Robinson & Cole (Attorneys at Law), Hartford, CT
Rogin, Nassau, Caplan, Lassman & Hirtle, LLC (Attorneys at Law), Hartford, CT
Secor, Cassidy & McPartland, P.C. (Attorneys at Law), Waterbury, CT
Trager & Trager (Attorneys at Law), Fairfield, CT

Private Construction and Development

Bargas Construction Company, Monroe, CT
Brooklyn Builders, LLC, Danielson, CT
Build Guild Company, Waterbury, CT
Building and Land Technology, Wilton, CT
Cedarwood Development, Inc., Akron, OH
Dowler Company, Madison, CT
Dzeingiel Custom Builders, Inc., Bozrah, CT
Edgewater Companies, Liverpool, NY
Gilbane Building Company, Inc., Glastonbury, CT
Ginsburg Development Companies, Danbury, CT
Grosso Custom Builders, LLC, Stratford, CT
Hawthorne Partners, Woburn, MA
Legend Builders & Developers, LLC, Clinton, CT
Mutual Housing Association of South Central Connecticut, Inc., New Haven, CT
National Fairways, Inc., Greenwich, CT
Rand Construction, East Hampton, CT
Rayco Development, LLC, Windsor, CT
Realcom, LLC, Waterford, CT
Sterling Forest, LLC, Tuxedo, NY
T&B Building Company, LLC, Danielson, CT
Timex Corporation, Middlebury, CT
W/S Development Associates, LLC, Chestnut Hill, MA